Water Supply Outlook for Alberta
May 2013
| Water Supply Forecast as of May 1, 2013 - Bow River Basin
(Natural Flows) |
| Volume Forecast for March 1 to September 30, 2013 | ||||||
| Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average |
Potential Minimum as % of Average |
Forecast Ranking (lowest to highest) | Recorded March-September 2012 Volume as a % of Average |
| Bow River at Banff | 1,000,000 | 99 | 95-104 | 92 | 38/99 | 135 |
| Lake Minnewanka Inflow | 174,000 | 98 | 88-113 | 79 | 41/99 | 168 |
| Spray River near Banff | 364,000 | 101 | 94-109 | 87 | 46/99 | 114 |
| Kananaskis River | 383,000 | 100 | 90-112 | 81 | 41/99 | 125 |
| Bow River at Calgary | 2,320,000 | 101 | 96-106 | 91 | 45/99 | 135 |
| Elbow River | 180,000 | 89 | 78-100 | 67 | 38/99 | 125 |
| Highwood River | 498,000 | 90 | 73-106 | 58 | 37/99 | 130 |
|
Average is calculated for the March 1 to September 30 period from 1981 to 2009
NOTE: There is: a 50% chance that the actual natural flow will fall within the probable range given; a 25% chance that the actual flow will be less than the lower bound of the probable range given; and a 10% chance that the actual natural flow will be less than the potential minimum. Actual day to day streamflow conditions may vary throughout the season as a result of the effects of streamflow diversion and reservoir storage. |
For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at AENV-WebWS@gov.ab.ca
